National "Summer grill test" ppt template
File Size: 7.38MB Download times: 242The national barbecue in the scorching sun, the map of the country's "barbecue" cities, the new four "fireplace" cities, high-temperature killers need to be vigilant, heatstroke tips, how to prevent heatstroke around the world? Summer test, Ruipu PPT presentation of ppt works.